package com.kuang.springcloud.controller;


// 提供Restful服务

import com.kuang.springcloud.pojo.Dept;
import com.kuang.springcloud.service.DeptService;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;



@RestController
public class DeptController {


    @Autowired
    private DeptService deptService;



    @GetMapping("/dept/get/{id}")
    @HystrixCommand(fallbackMethod = "hystrixGet")
    public Dept get(@PathVariable("id") Long id){
        Dept dept = deptService.queryDeptById(id);
        if(dept == null){
            throw new RuntimeException("id不存在");
        }
        return dept;
    }

    // 备选方案
    public Dept hystrixGet(@PathVariable("id") Long id){
        return new Dept()
                .setDeptno(id)
                .setDname("id不存在")
                .setDb_source("no this database in MySQL");
    }





}
